Bosch 66826 Direct Injection High Pressure Fuel Pump

Overview of Bosch GDI High Pressure Pump (New)

The Bosch GDI High Pressure Pump (New) part number 66826 is designed for precise fuel delivery in select Mercedes-Benz models. This electric, internal direct injection high pressure fuel pump supports optimal engine performance and fuel efficiency.

• Brand: Bosch
• Brand Line: GDI High Pressure Pump (New)
• Part Number: 66826
• Type: Direct Injection High Pressure Fuel Pump
• Electric operation
• Internal mounting (not in-tank)
• Single outlet configuration
• New, not remanufactured
• Package includes one high pressure pump
• No gaskets or mounting hardware included

Detailed Product Description

This Bosch GDI High Pressure Pump (New) is engineered to meet the demanding fuel delivery requirements of direct injection systems in Mercedes-Benz vehicles. As an electric pump mounted internally, it provides consistent high pressure fuel flow necessary for efficient combustion. The pump features a single outlet and is supplied new, ensuring reliability and longevity. It does not include gaskets or mounting hardware, so these components should be sourced separately during installation.

Compatible Mercedes-Benz Models

This high pressure fuel pump is compatible with a wide range of Mercedes-Benz models, including but not limited to C43 AMG, C400, C450 AMG, CL63 AMG, CL550, CLS63 AMG, CLS400, CLS550, E43 AMG, E63 AMG, E400, E450, E550, G63 AMG, GL63 AMG, GL450, GL550, GLC43 AMG, GLE43 AMG, GLE63 AMG, GLS63 AMG, Maybach S550, ML63 AMG, ML400, ML550, S63 AMG, S450, S550, S560e, SL63 AMG, SL400, SL450, SL550, and SLC43 AMG. This ensures precise fitment for various AMG and non-AMG Mercedes-Benz vehicles requiring a direct injection high pressure fuel pump replacement.

Common Applications and Issues Addressed

• Restores proper fuel pressure in direct injection systems
• Resolves engine hesitation or stalling related to fuel delivery
• Eliminates rough idling caused by inconsistent fuel flow
• Addresses fuel pump failure symptoms in Mercedes-Benz GDI engines
• Supports improved engine performance and fuel efficiency

Installation Notes and Tips

Installation of the Bosch GDI High Pressure Pump (New) requires careful handling due to its internal mounting design. Since gaskets and mounting hardware are not included, ensure you have the correct seals and fasteners before beginning the replacement. It is recommended to follow manufacturer service procedures for fuel system depressurization and proper torque specifications. Professional installation is advised to maintain system integrity and safety.

Quality Assurance and Warranty

As a new component from Bosch, part number 66826 undergoes strict quality control to meet OEM standards for durability and performance. While specific warranty details are not provided here, Bosch typically offers coverage consistent with industry standards for new fuel system components. Verify warranty terms with the supplier or manufacturer documentation upon purchase.